Lightly oil a 3-quart souffle dish; sprinkle with sugar.,Cut a piece of aluminum foil long enough to fit around souffle dish, allowing a 1-inch overlap; fold foil lengthwise into thirds. Lightly oil one side of foil; wrap around outside of dish, oiled side against dish, allowing foil to extend 3 inches above rim to form a collar. Secure foil around dish with string or freezer tape.,Process blueberries through a food m ill or sieve; reserve liquid, and discard pulp. Combine blueberry liquid, sugar, water, and lemon juice in a large saucepan; cook over low heat, stirring constantly, until sugar dissolves. Cook over medium heat, without stirring, until mixture reaches thread stage (234°). Remove from heat; cool.,______,Bake at 400° for 25 minutes or until puffed and set. Spoon into individual serving bowls, and serve immediately with Blueberry Sauce.